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70450 (1999 TL18)
Classification: Main-belt Asteroid          SPK-ID: 2070450
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1374050541086719 4.7227e-08  
a 2.349100679674263 8.6777e-09 au
q 2.026322373676902 1.1153e-07 au
i 7.582373186010795 4.9084e-06 deg
node 47.37943056944862 2.8551e-05 deg
peri 306.2529375600694 3.1847e-05 deg
M 286.227092074807 1.4546e-05 deg
tp 2459269.991625763159
(2021-Feb-24.49162576)		 5.34e-05 TDB
period 1315.076062517614
3.60		 7.2869e-06
1.995e-08		 d
yr
n .2737484243388987 1.5169e-09 deg/d
Q 2.671878985671623 9.87e-09 au
   Orbit Determination Parameters
   # obs. used (total)      1262  
   data-arc span      8159 days (22.34 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 22:00:35  

Additional Information
 Earth MOID = 1.03293 au 
 Jupiter MOID = 2.78192 au 
 T_jup = 3.534 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.93   n/a E2021B10  

70450 (1999 TL18)          Discovered 1999-Oct-13 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1999 TL18 = 1998 HW96 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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